feat: Add Defi spring (SNF Style) rewards decoder and sanitizer

packages/vault_allocator/src/decoders_and_sanitizers/defi_spring_snf_style/defi_spring_snf_style_decoder_and_sanitizer.cairo

@@ -0,0 +1,34 @@
+// SPDX-License-Identifier: MIT
+// Copyright (c) 2025 Starknet Vault Kit
+// Licensed under the MIT License. See LICENSE file for details.
+
+// Helps claim rewards from Defi spring rewards and any possible rewards 
+// with similar claim contract structure
+// This is called as SNFStyle because there can be other reward contracts (e.g. Ekubo)
+// This is the default contract structure by SNF for rewards
+
+#[starknet::component]
+pub mod DefiSpringSNFStyleDecoderAndSanitizerComponent {
+    use vault_allocator::decoders_and_sanitizers::defi_spring_snf_style::interface::IDefiSpringSNFStyleDecoderAndSanitizer;
+
+    #[storage]
+    pub struct Storage {}
+
+    #[event]
+    #[derive(Drop, Debug, PartialEq, starknet::Event)]
+    pub enum Event {}
+
+    #[embeddable_as(DefiSpringSNFStyleDecoderAndSanitizerImpl)]
+    impl DefiSpringSNFStyleDecoderAndSanitizer<
+        TContractState, +HasComponent<TContractState>,
+    > of IDefiSpringSNFStyleDecoderAndSanitizer<ComponentState<TContractState>> {
+        fn claim(
+            self: @ComponentState<TContractState>,
+            amount: u128,
+            proof: Span<felt252>,
+        ) -> Span<felt252> {
+            let mut serialized_struct: Array<felt252> = ArrayTrait::new();
+            serialized_struct.span()
+        }
+    }
+}

packages/vault_allocator/src/decoders_and_sanitizers/defi_spring_snf_style/interface.cairo

@@ -0,0 +1,12 @@
+// SPDX-License-Identifier: MIT
+// Copyright (c) 2025 Starknet Vault Kit
+// Licensed under the MIT License. See LICENSE file for details.
+
+#[starknet::interface]
+pub trait IDefiSpringSNFStyleDecoderAndSanitizer<T> {
+    fn claim(
+        self: @T,
+        amount: u128,
+        proof: Span<felt252>,
+    ) -> Span<felt252>;
+}

packages/vault_allocator/src/decoders_and_sanitizers/simple_decoder_and_sanitizer.cairo

@@ -10,6 +10,7 @@ pub mod SimpleDecoderAndSanitizer {
     use vault_allocator::decoders_and_sanitizers::multiply_decoder_and_sanitizer::multiply_decoder_and_sanitizer::MultiplyDecoderAndSanitizerComponent;
     use vault_allocator::decoders_and_sanitizers::starknet_vault_kit_decoder_and_sanitizer::starknet_vault_kit_decoder_and_sanitizer::StarknetVaultKitDecoderAndSanitizerComponent;
     use vault_allocator::decoders_and_sanitizers::vesu_decoder_and_sanitizer::vesu_decoder_and_sanitizer::VesuDecoderAndSanitizerComponent;
+    use vault_allocator::decoders_and_sanitizers::defi_spring_snf_style::defi_spring_snf_style_decoder_and_sanitizer::DefiSpringSNFStyleDecoderAndSanitizerComponent;
 
     component!(
         path: BaseDecoderAndSanitizerComponent,
@@ -46,6 +47,11 @@ pub mod SimpleDecoderAndSanitizer {
         event: MultiplyDecoderAndSanitizerEvent,
     );
 
+    component!(
+        path: DefiSpringSNFStyleDecoderAndSanitizerComponent,
+        storage: defi_spring_snf_style_decoder_and_sanitizer,
+        event: DefiSpringSNFStyleDecoderAndSanitizerEvent,
+    );
 
     #[abi(embed_v0)]
     impl BaseDecoderAndSanitizerImpl =
@@ -69,6 +75,11 @@ pub mod SimpleDecoderAndSanitizer {
     impl MultiplyDecoderAndSanitizerImpl =
         MultiplyDecoderAndSanitizerComponent::MultiplyDecoderAndSanitizerImpl<ContractState>;
 
+    #[abi(embed_v0)]
+    impl DefiSpringSNFStyleDecoderAndSanitizerImpl =
+        DefiSpringSNFStyleDecoderAndSanitizerComponent::DefiSpringSNFStyleDecoderAndSanitizerImpl<
+            ContractState,
+        >;
 
     #[storage]
     pub struct Storage {
@@ -84,6 +95,8 @@ pub mod SimpleDecoderAndSanitizer {
         pub starknet_vault_kit_decoder_and_sanitizer: StarknetVaultKitDecoderAndSanitizerComponent::Storage,
         #[substorage(v0)]
         pub multiply_decoder_and_sanitizer: MultiplyDecoderAndSanitizerComponent::Storage,
+        #[substorage(v0)]
+        pub defi_spring_snf_style_decoder_and_sanitizer: DefiSpringSNFStyleDecoderAndSanitizerComponent::Storage,
     }
 
     #[event]
@@ -101,5 +114,7 @@ pub mod SimpleDecoderAndSanitizer {
         StarknetVaultKitDecoderAndSanitizerEvent: StarknetVaultKitDecoderAndSanitizerComponent::Event,
         #[flat]
         MultiplyDecoderAndSanitizerEvent: MultiplyDecoderAndSanitizerComponent::Event,
+        #[flat]
+        DefiSpringSNFStyleDecoderAndSanitizerEvent: DefiSpringSNFStyleDecoderAndSanitizerComponent::Event,
     }
 }

packages/vault_allocator/src/lib.cairo

@@ -73,6 +73,11 @@ pub mod decoders_and_sanitizers {
         pub mod interface;
         pub mod multiply_decoder_and_sanitizer;
     }
+
+    pub mod defi_spring_snf_style {
+        pub mod defi_spring_snf_style_decoder_and_sanitizer;
+        pub mod interface;
+    }
 }
 
 pub mod mocks {